Finding the Fourth Proportional to 4,622,221.49, 6,378,784.11 and 2,786,797.46
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Solution
The fourth proportional to 4,622,221.49, 6,378,784.11 and 2,786,797.46 is: 3,845,851.91
Step by Step Solution
- Step 1: Write the proportion equation
4,622,221.49 : 6,378,784.11 = 2,786,797.46 : x - Step 2: Convert to fraction form
4,622,221.49/6,378,784.11 = 2,786,797.46/x - Step 3: Cross multiply
4,622,221.49x = 6,378,784.11 × 2,786,797.46 - Step 4: Simplify right side
4,622,221.49x = 17,776,379,355,636.36 - Step 5: Solve for x
x = 17,776,379,355,636.36/4,622,221.49 - Step 6: Final answer
x = 3,845,851.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.